[RE-wrenches] roof types

[penobscotsolar at midmaine.com]

Has anyone mentioned EDPM rubber? A system we just finished for Acadia
National Park's entire roof was EDPM and they collected all the rainwater
through downspouts. There are EDPM rubber boots for penetrations and it
was extremely tough and the color was white (great for reflected sunlight
as well!

Daryl DeJoy





> What's your budget look like? Obviously standing seam metal is superior to
> everything else. 3tab asphalt is not only a petro product but its texture
> traps water and a lot never runs  off to be collected. Wood shake too will
> absorb water and is a good place for microscopic moss & other thingies to
> grow. Treated wood leaches out its chemicals over the years and those go
> right into your storage tank.
> We built with SS metal then didn't have enough money left for the big 10k
> storage tank so for now the downspouts just water the grass. Have a plan B
> ready we learned.
> Jim Duncan
>   -----Original Message-----
>   From: re-wrenches-bounces at lists.re-wrenches.org
> [mailto:re-wrenches-bounces at lists.re-wrenches.org]On Behalf Of Marco
> Mangelsdorf
>   Sent: Monday, August 29, 2011 11:25 PM
>   To: 'RE-wrenches'
>   Subject: [RE-wrenches] roof types
>
>
>   A bit off of the solar subject.
>
>
>
>   Any recommendations for a new roof that would be an acceptable means for
> collecting drinking water?
>
>
>
>   Thanks,
>
>   marco
>
>
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